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NGSIv2 implements a pagination mechanism (which by the way is very similar to the one implemented in NGSIv1) in order to help clients to retrieve large sets of resources. This mechanism works for all listing operations in the API (e.g.
GET /v2/entities
,
GET /v2/subscriptions
,
POST /v2/op/query
, etc.).

The mechanism is based on three URI parameters:

limit
, in order to specify the maximum number of elements (default is 20, maximun allowed is 1000).

limit

offset
, in order to skip a given number of elements at the beginning (default is 0)

offset

count
(as
option
), if activated then a
Fiware-Total-Count
header is added to the response, with a count of total elements.

count

By default, results are returned ordered by increasing creation time. In the case of entities query, this can be changed with the
orderBy
URL parameter
.

Let's illustrate with an example: a given client cannot process more than 100 results in a single response and the query includes a total of 322 results. The client could do the following (only the URL is included, for the sake of completeness).

Note that if the request uses an offset beyond the total number of results, an empty list is returned, as shown below:

limit
, in order to specify the maximum number of entities or context registrations (for queryContext and discoverContextAvailability respectively) (default is 20, maximun allowed is 1000).

details
(allowed values are “on” and “off”, default is “off”), in order to get a global errorCode for the response including a count of total elements (in the case of using “on”). Note that using details set to “on” slightly breaks NGSI standard, which states that global errorCode must be used only in the case of general error with the request. However, we think it is very useful for a client to know in advance how many results in total the query has (and if you want to keep strict with NGSI, you can simply ignore the details parameter :)

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One of my least favorite things that Apple does to every Windows computer during an installation of iTunes is that it installs Bonjour. On almost every Windows machine I've installed iTunes on, Bonjour has caused an error of some sort.

As far as I can remember, I've removed Bonjour by deleting the folder it's in. Most of the time, this has not caused any major problems. However, I have a new installation of iTunes and I'm wondering if once again I should delete Bonjour.

Are there any issues caused by deleting Bonjour? Would I lose any functionality?

You are able to use "[computer name].local" domains all over your network. This also applies to Apple mobile devices and other hardware (I have: Mac Mini, Western Digital NAS, HP printer and Linux laptop -- it has its own Bonjour called Avahi).

Please support adoption of the Zeroconf protocol and report bugs to Apple, because they give us an opportonity to drop the horrible NetBIOS technology and to connect across different platforms.

You don't need it, about the only thing I have ever actually used it for in a Windows machine is to enable printing to a printer attached to my Airport Extreme. In fact because of the unusual port range it uses, I have actually encountered issues with VPNs that have refused to work properly until it is uninstalled, so I actually remove is as a matter of course.

Of course if you do magically require it later down the line, you can always install it as an individual package.

“Sinclair owns this station and nearly 200 others. It forced dozens of anchors to recite the same political message, word for word,” the Allied Progress voiceover says.”Now Sinclair is trying to control local news stations in 72 percent of American homes. Tell the FCC to stop the Sinclair merger.”

The ad urges viewers of Sinclair stations to call the government regulator and oppose Sinclair — an awfully unusual sight.

Sinclair may have calculated that refusing to run the ads would have simply drawn more attention to Allied Progress’s campaign.

So instead this message pops up right afterward:

“The misleading ad you just saw focused on a brief promotional message that simply said we’re a source for truthful news,” the Sinclair voiceover says. “It ignored thousands of hours of local news we produce each year to keep you informed. The ad was purchased by a group known for its liberal bias, and we hope you won’t buy into the hysteria and hype.”

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